[PATCH] rapidio: message interface updates
Updates the RIO messaging interface to pass a device instance into the
event registeration and callbacks.
Signed-off-by: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/ppc/syslib/ppc85xx_rio.c b/arch/ppc/syslib/ppc85xx_rio.c
index 9d09c27..297f3b5 100644
--- a/arch/ppc/syslib/ppc85xx_rio.c
+++ b/arch/ppc/syslib/ppc85xx_rio.c
@@ -135,6 +135,7 @@
dma_addr_t phys_buffer[RIO_MAX_TX_RING_SIZE];
int tx_slot;
int size;
+ void *dev_id;
} msg_tx_ring;
static struct rio_msg_rx_ring {
@@ -143,6 +144,7 @@
void *virt_buffer[RIO_MAX_RX_RING_SIZE];
int rx_slot;
int size;
+ void *dev_id;
} msg_rx_ring;
/**
@@ -376,7 +378,7 @@
if (osr & RIO_MSG_OSR_EOMI) {
u32 dqp = in_be32((void *)&msg_regs->odqdpar);
int slot = (dqp - msg_tx_ring.phys) >> 5;
- port->outb_msg[0].mcback(port, -1, slot);
+ port->outb_msg[0].mcback(port, msg_tx_ring.dev_id, -1, slot);
/* Ack the end-of-message interrupt */
out_be32((void *)&msg_regs->osr, RIO_MSG_OSR_EOMI);
@@ -389,6 +391,7 @@
/**
* rio_open_outb_mbox - Initialize MPC85xx outbound mailbox
* @mport: Master port implementing the outbound message unit
+ * @dev_id: Device specific pointer to pass on event
* @mbox: Mailbox to open
* @entries: Number of entries in the outbound mailbox ring
*
@@ -396,7 +399,7 @@
* and enables the outbound message unit. Returns %0 on success and
* %-EINVAL or %-ENOMEM on failure.
*/
-int rio_open_outb_mbox(struct rio_mport *mport, int mbox, int entries)
+int rio_open_outb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entries)
{
int i, j, rc = 0;
@@ -407,6 +410,7 @@
}
/* Initialize shadow copy ring */
+ msg_tx_ring.dev_id = dev_id;
msg_tx_ring.size = entries;
for (i = 0; i < msg_tx_ring.size; i++) {
@@ -541,7 +545,7 @@
* make the callback with an unknown/invalid mailbox number
* argument.
*/
- port->inb_msg[0].mcback(port, -1, -1);
+ port->inb_msg[0].mcback(port, msg_rx_ring.dev_id, -1, -1);
/* Ack the queueing interrupt */
out_be32((void *)&msg_regs->isr, RIO_MSG_ISR_DIQI);
@@ -554,6 +558,7 @@
/**
* rio_open_inb_mbox - Initialize MPC85xx inbound mailbox
* @mport: Master port implementing the inbound message unit
+ * @dev_id: Device specific pointer to pass on event
* @mbox: Mailbox to open
* @entries: Number of entries in the inbound mailbox ring
*
@@ -561,7 +566,7 @@
* and enables the inbound message unit. Returns %0 on success
* and %-EINVAL or %-ENOMEM on failure.
*/
-int rio_open_inb_mbox(struct rio_mport *mport, int mbox, int entries)
+int rio_open_inb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entries)
{
int i, rc = 0;
@@ -572,6 +577,7 @@
}
/* Initialize client buffer ring */
+ msg_rx_ring.dev_id = dev_id;
msg_rx_ring.size = entries;
msg_rx_ring.rx_slot = 0;
for (i = 0; i < msg_rx_ring.size; i++)
@@ -777,7 +783,7 @@
}
}
if (found) {
- dbell->dinb(port, DBELL_SID(dmsg), DBELL_TID(dmsg),
+ dbell->dinb(port, dbell->dev_id, DBELL_SID(dmsg), DBELL_TID(dmsg),
DBELL_INF(dmsg));
} else {
pr_debug